gear case
Học thuậtThân thiện
Definition
Noun: A protective outer covering, typically made of metal, that encloses and seals a set of interlocking gears (a gear train) to protect them from dirt, debris, and to contain lubricant.
Usage
The term "gear case" specifically refers to the housing or casing component of a mechanical assembly. It is used to describe the protective shell in machinery.
Examples: * The mechanic removed the gear case to inspect the transmission. * A leak in the gear case can cause the lubricating oil to drain out. * The design of the gear case is crucial for keeping the gears clean and properly lubricated.
Advanced Usage
- In engineering contexts, the integrity of the gear case is vital for the longevity and efficiency of the gear train it protects.
- The term is often used when discussing maintenance, repair, or the design of mechanical systems involving gears.
Variants and Related Words
- Gearbox: While often used interchangeably in casual speech, a "gearbox" typically refers to the complete assembly including the gears and their casing, whereas a "gear case" specifically denotes the outer housing.
- Gear Housing: A direct synonym for "gear case."
- Transmission Case: A specific type of gear case used in automotive transmissions.
Synonyms
- Casing
- Housing
- Enclosure
- Shell
Antonyms
- There is no direct antonym, but the concept is opposite to exposed or open gearing.
Related Phrases
- Sealed gear case: A gear case designed to be completely airtight and waterproof.
- Split gear case: A gear case constructed in two or more pieces that are bolted together, allowing for easier access to the internal gears.
Noun
- the shell (metal casing) in which a train of gears is sealed